Sentence examples for remained negative over time from inspiring English sources

All zeta potentials were negative and remained negative over time.

The ζ-potential of these nanoparticles remained negative over the whole DN range.

Real-time PCR for HEV RNA was positive in 1 of the 19 HEV IgG positive patients (genotype 3b), with presence of HEV RNA over a 24-month period, while HEV IgG remained negative for the first 12 months.

Anti-RR status did not change over time in any of these 21 patients (i.e., anti-RR-positive patients remained positive and negative patients remained negative) and anti-RR titers did not significantly change in positive patients.

But James remained negative.

Its rating outlook remained negative.

HCV-RNA remained negative.

He remained negative.

Negative controls remained negative.

All the negative controls remained negative.

Dialysate culture remained negative.